1131021210222 has 24 divisors (see below), whose sum is σ = 2450569230720. Its totient is φ = 377003489280.

The previous prime is 1131021210211. The next prime is 1131021210233. The reversal of 1131021210222 is 2220121201311.

1131021210222 is a `hidden beast` number, since 11 + 310 + 2 + 121 + 0 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (1131021210211) and next prime (1131021210233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1131021210195 and 1131021210204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2227054 + ... + 2687342.

It is an arithmetic number, because the mean of its divisors is an integer number (102107051280).

Almost surely, 2^{1131021210222} is an apocalyptic number.

1131021210222 is an abundant number, since it is smaller than the sum of its proper divisors (1319548020498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131021210222 is a wasteful number, since it uses less digits than its factorization.

1131021210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596808 (or 596805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1131021210222 its reverse (2220121201311), we get a palindrome (3351142411533).

The spelling of 1131021210222 in words is "one trillion, one hundred thirty-one billion, twenty-one million, two hundred ten thousand, two hundred twenty-two".